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Finding the Fourth Proportional to 8,898.11, 13,369.05 and 6,700.17

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Solution

The fourth proportional to 8,898.11, 13,369.05 and 6,700.17 is: 10,066.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898.11 : 13,369.05 = 6,700.17 : x
  2. Step 2: Convert to fraction form
    8,898.11/13,369.05 = 6,700.17/x
  3. Step 3: Cross multiply
    8,898.11x = 13,369.05 × 6,700.17
  4. Step 4: Simplify right side
    8,898.11x = 89,574,907.74
  5. Step 5: Solve for x
    x = 89,574,907.74/8,898.11
  6. Step 6: Final answer
    x = 10,066.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.